Yrast structure of the neutron-rich N=31 isotones 51Ca and 52Sc

被引：33

作者：

Fornal, B. ^{[1
]}

Janssens, R. V. F. ^{[2
]}

Broda, R. ^{[1
]}

Marginean, N. ^{[3
,4
]}

Beghini, S. ^{[5
,6
]}

Corradi, L. ^{[3
]}

Carpenter, M. P. ^{[2
]}

De Angelis, G. ^{[3
]}

Della Vedova, F. ^{[3
]}

Farnea, E. ^{[6
]}

Fioretto, E. ^{[3
]}

Gadea, A. ^{[3
]}

Guiot, B. ^{[3
]}

Honma, M. ^{[7
]}

Krolas, W. ^{[1
,8
]}

Lauritsen, T. ^{[2
]}

Lunardi, S. ^{[5
,6
]}

Mantica, P. F. ^{[9
]}

Mason, P. ^{[6
]}

Montagnoli, G. ^{[5
,6
]}

Napoli, D. R. ^{[3
]}

Otsuka, T. ^{[10
,11
]}

Pawlat, T. ^{[1
]}

Pollarolo, G. ^{[12
,13
]}

Scarlassara, F. ^{[5
,6
]}

Stefanini, A. M. ^{[3
]}

Seweryniak, D. ^{[2
]}

Szilner, S. ^{[14
]}

Ur, C. A. ^{[6
]}

Trotta, M. ^{[15
]}

Valiente-Dobon, J. J. ^{[3
]}

Wrzesinski, J. ^{[1
]}

Zhu, S. ^{[2
]}

机构：

[1] Inst Nucl Phys, Polish Acad Sci, PL-31342 Krakow, Poland

[2] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA

[3] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy

[4] Horia Hulubei Natl Inst Phys & Nucl Engn, RO-077125 Bucharest, Romania

[5] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy

[6] Ist Nazl Fis Nucl, Sezione Padova, I-35131 Padua, Italy

[7] Univ Aizu, Ctr Math Sci, Fukushima 9658580, Japan

[8] Oak Ridge Natl Lab, Joint Inst Heavy Ion Res, Oak Ridge, TN 37831 USA

[9] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA

[10] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

[11] RIKEN, Wako, Saitama 3510198, Japan

[12] Univ Turin, Dipartimento Fis Teor, I-10125 Turin, Italy

[13] Ist Nazl Fis Nucl, I-10125 Turin, Italy

[14] Rudjer Boskovic Inst, HR-10001 Zagreb, Croatia

[15] Ist Nazl Fis Nucl, I-80126 Naples, Italy

来源：

PHYSICAL REVIEW C | 2008年 / 77卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevC.77.014304

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The low-lying yrast states in the Ca-51 and Sc-52 nuclei were investigated to obtain information on the evolution of the p(1/2) and f(5/2) neutron single-particle orbitals in neutron-rich nuclei near proton number Z=20. Level structures associated with neutron excitations into these two orbitals and with proton excitations across the Z=20 shell gap were identified. Shell-model calculations with the recently proposed GXPF1A interaction account reasonably well for the fp-shell states. The energy separation between the nu p(1/2) and nu f(5/2) orbitals in the Ca isotopes appears to be overestimated by the GXPF1A Hamiltonian.

引用

页数：7

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